African Arthropods/Chalcid wasps with branched antennae

The males of some Chalcidoidea have branched (pectinate) antennae. Links to images of some of these:

Elasmus on iNaturalist.

Pnigalio in a ZooKeys paper.

Pnigalio on the University of California site.

Necremnus in a scientific paper.

Sympiesis in the Catalogue of Organisms blog.

Pentacladia specimen in the Natural History Museum.

Eulophinae on BugGuide.

Eulophinae on BugGuide.

Eulophinae on BugGuide.

Tanaostigmodes, Tanaostigmatidae on BugGuide.

Neocladia on iNaturalist.